llvm-6502/test/CodeGen/SystemZ/fp-const-02.ll
Ulrich Weigand b503b49b51 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06 16:17:29 +00:00

32 lines
626 B
LLVM

; Test loads of negative floating-point zero.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test f32.
define float @f1() {
; CHECK: f1:
; CHECK: lzer [[REGISTER:%f[0-5]+]]
; CHECK: lcebr %f0, [[REGISTER]]
; CHECK: br %r14
ret float -0.0
}
; Test f64.
define double @f2() {
; CHECK: f2:
; CHECK: lzdr [[REGISTER:%f[0-5]+]]
; CHECK: lcdbr %f0, [[REGISTER]]
; CHECK: br %r14
ret double -0.0
}
; Test f128.
define void @f3(fp128 *%x) {
; CHECK: f3:
; CHECK: lzxr [[REGISTER:%f[0-5]+]]
; CHECK: lcxbr %f0, [[REGISTER]]
; CHECK: br %r14
store fp128 0xL00000000000000008000000000000000, fp128 *%x
ret void
}